Home / 748,978.31-1,033,590.08-409,446.56

Finding the Fourth Proportional to 748,978.31, 1,033,590.08 and 409,446.56

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Solution

The fourth proportional to 748,978.31, 1,033,590.08 and 409,446.56 is: 565,036.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,978.31 : 1,033,590.08 = 409,446.56 : x
  2. Step 2: Convert to fraction form
    748,978.31/1,033,590.08 = 409,446.56/x
  3. Step 3: Cross multiply
    748,978.31x = 1,033,590.08 × 409,446.56
  4. Step 4: Simplify right side
    748,978.31x = 423,199,906,313.72
  5. Step 5: Solve for x
    x = 423,199,906,313.72/748,978.31
  6. Step 6: Final answer
    x = 565,036.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.